c45 = 0.5 * (2^0.5);
Point(1) = {0.0,0.0,0.0,1.0};
Point(2) = {-c45,c45,0.0,1.0};
Line(1) = {1,2};
Extrude { {-c45,c45,0}, {1,0.0,0}, 3.14159/2 } { Line{1}; }
Coherence;
